Which objective involves directly supporting rifle squads in combat?

The objective of directly supporting rifle squads in combat is best captured by the option that highlights the provision of direct fires. Supporting rifle squads with direct fires means providing close-range fire support to help them engage the enemy effectively. This action ensures that the rifle squads can maneuver and engage targets while reducing the enemy’s ability to respond, thus enhancing the squad’s chances of success in their mission.

In the context of infantry operations, this type of support is critical for maintaining momentum and ensuring that squads can advance or hold their positions against opposition. It emphasizes the collaborative efforts between different units and how integral direct support is to the overall effectiveness of combat operations.